Due to all sorts of activities I have not been able to update myself with 'novelties' in the scientific Blastocystis literature lately.
Instead, I would like to highlight two review/opinion papers on the use of PCR-based methods for diagnosis of intestinal parasitic infections in the clinical microbiology laboratory.
Both papers have been published very recently (actually one is still 'in press'). The first is co-authored by Jaco J Verweij and myself, and appears in the April issue of 'Clinical Microbiology Reviews'. This paper aims to provide a relatively systematic review of the extent and relevance of PCR- and sequencing-based methods for diagnosis and epidemiology studies of intestinal parasites, and is as such an inventory of all sorts of DNA-based diagnostic and typing modalities for individual protists and helminths.
The second one is authored solely by Jaco J Verweij and is currently in the 'first online' section in the journal 'Parasitology'. This paper offers a discussion of the application of PCR-based method as a supplementary tool or a substitute for conventional methods (microscopy, antigen detection, etc.). Dr Verweij deals with central questions such as 'Is Molecular Detection Good Enough?' and 'Is Molecular Detection Too Good To Be True?'.
And so these two papers complement each other quite well. For those interested in the very low prevalence of intestinal helminth infections in the Western world, the latter paper has a table which summarizes some quite stunning data.
Although DNA-based methods currently in use do have quite a few limitations, I do believe that for a long while the application of species- and genus-specific PCR methods (real-time PCR, conventional PCR + sequencing, etc.) will appear relevant and state-of-the-art. Dr Verweij, I and a few of our colleagues around the world are currently discussing to which extent next generation sequencing methods can be used to
References:
Verweij JJ, & Stensvold CR (2014). Molecular testing for clinical diagnosis and epidemiological investigations of intestinal parasitic infections. Clinical Microbiology Reviews, 27 (2), 371-418 PMID: 24696439
Instead, I would like to highlight two review/opinion papers on the use of PCR-based methods for diagnosis of intestinal parasitic infections in the clinical microbiology laboratory.
Both papers have been published very recently (actually one is still 'in press'). The first is co-authored by Jaco J Verweij and myself, and appears in the April issue of 'Clinical Microbiology Reviews'. This paper aims to provide a relatively systematic review of the extent and relevance of PCR- and sequencing-based methods for diagnosis and epidemiology studies of intestinal parasites, and is as such an inventory of all sorts of DNA-based diagnostic and typing modalities for individual protists and helminths.
The second one is authored solely by Jaco J Verweij and is currently in the 'first online' section in the journal 'Parasitology'. This paper offers a discussion of the application of PCR-based method as a supplementary tool or a substitute for conventional methods (microscopy, antigen detection, etc.). Dr Verweij deals with central questions such as 'Is Molecular Detection Good Enough?' and 'Is Molecular Detection Too Good To Be True?'.
And so these two papers complement each other quite well. For those interested in the very low prevalence of intestinal helminth infections in the Western world, the latter paper has a table which summarizes some quite stunning data.
Although DNA-based methods currently in use do have quite a few limitations, I do believe that for a long while the application of species- and genus-specific PCR methods (real-time PCR, conventional PCR + sequencing, etc.) will appear relevant and state-of-the-art. Dr Verweij, I and a few of our colleagues around the world are currently discussing to which extent next generation sequencing methods can be used to
- generate data that can assist us in identifying the role of pro- and eukaryote microbial communities in health and disease
- serve as a tool to generate sequences that can be processed by designated software and thereby identify patterns of microbial communities associated with various disease and health conditions
References:
Verweij JJ, & Stensvold CR (2014). Molecular testing for clinical diagnosis and epidemiological investigations of intestinal parasitic infections. Clinical Microbiology Reviews, 27 (2), 371-418 PMID: 24696439
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